C13223313311212111133133313331333132313331323312111133132231223321   >>    C1322331331121211113313331333133313231333132331211113313223122332   <<    C13223313311212111133133313331333132313331323312111133132231223323   >>      C13223313311212111133133313331333132313331323312111133132231223322   >>